"2005 Kia Optima will turn over but wont start" için yanıtSame for my car 2005 kia Optima . Cranks but will not start . Check coils packs “ only has 2 . I has a sensor that goes under cover for with the spark plugs . Has 12 volts coming out of it . Any chance you know what that sensor is for ? Only has single wire going to it . Sensor is burn up “ looks like it got hot .